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S30815 Stainless Steel vs. ACI-ASTM CK35MN Steel

Both S30815 stainless steel and ACI-ASTM CK35MN steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
40
Fatigue Strength, MPa 320
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 680
650
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.9
Embodied Energy, MJ/kg 47
81
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 24
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
210
Resilience: Unit (Modulus of Resilience), kJ/m3 310
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.035
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 62.8 to 68.4
43.4 to 51.8
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 6.8
Nickel (Ni), % 10 to 12
20 to 22
Nitrogen (N), % 0.14 to 0.2
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020